Remove and reinstall open core

I've ran and had open core installed and then realized that I've used the wrong Realtek ethernet kext for my installation. I then proceeded to download the right one and change the config.plist on my boot usb. Problem is my current open core installation is still looking for the old kext. How do I reinstall my open core so that it will look for the new kext? I've tried NVRam reset but it doesnt seem to work.

submitted by /u/dyjw
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